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Regular Expression
Test String
Matches
Quick Reference
.Any character except newline
\dDigit (0-9)
\wWord character (a-z, A-Z, 0-9, _)
\sWhitespace
^Start of string/line
$End of string/line
*0 or more
+1 or more
?0 or 1
{n}Exactly n times
{n,m}Between n and m times
[abc]Character class
[^abc]Negated character class
(abc)Capturing group
a|bAlternation (a or b)
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